| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 185 | 3.692,97 | 19,96 | 2 |
| 2007 | 387 | 9.233,92 | 23,86 | 2 |
| 2008 | 509 | 10.899,70 | 21,41 | 2 |
| 2009 | 536 | 11.834,06 | 22,08 | 3 |
| 2010 | 431 | 9.002,95 | 20,89 | 2 |
| 2011 | 489 | 10.700,26 | 21,88 | 2 |
| 2012 | 441 | 9.036,42 | 20,49 | 3 |
| 2013 | 528 | 9.453,92 | 17,91 | 4 |
| 2014 | 528 | 13.063,44 | 24,74 | 4 |
| 2015 | 453 | 11.554,96 | 25,51 | 5 |
| 2016 | 420 | 11.921,82 | 28,39 | 5 |
| 2017 | 402 | 11.237,60 | 27,95 | 5 |
| 2018 | 384 | 10.305,48 | 26,84 | 4 |
| 2019 | 335 | 8.447,10 | 25,22 | 4 |
| 2020 | 319 | 8.768,22 | 27,49 | 4 |
| 2021 | 203 | 6.718,22 | 33,09 | 4 |
| 2022 | 126 | 3.673,31 | 29,15 | 3 |
| 2023 | 147 | 4.677,64 | 31,82 | 3 |
| 2024 | 114 | 3.472,76 | 30,46 | 3 |
| totale | 6.937 | 167.694,75 | 24,17 | 64 |